<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title></title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
    <!-- 1. 引入js -->
    <script src="https://unpkg.com/vue-router/dist/vue-router.js"></script>
</head>

<body>
    <div id='app'>
        <!-- 5. 预留一个路由组件渲染的位置，当我们访问指定地址的时候，对应位置就加载对应的组件 -->
        <router-view></router-view>
    </div>
    <script>
        const login = {
            template: `<div>登录组件</div>`
        }

        const register = {
            template: `<div>注册组件</div>`
        }

        // 多一个VueRouter的构造器
        // 2. 实例化
        const routerIns = new VueRouter({
            // 3. 配置地址和组件的映射关系
            routes: [{
                    path: '/',
                    redirect: '/register'
                }, {
                    path: '/login',
                    component: login
                },
                {
                    path: '/register',
                    component: register
                }
            ]
        })
        const vm = new Vue({
            el: '#app',
            data: {},
            //4 .建立路由和vue实例的关系，把路由挂载在实例上
            router: routerIns
        })
    </script>
</body>

</html>